The answer depends on why you want to study maths. A level maths is at a significantly higher level that Additional.
Yes you could, the optometry course will take students taking the subjects maths, physics and chemistry but unfortuantley you smell
For most Colleges and Sixth forms a grade B is expected in Additional Science as well as core science. (I.e. grade BB). Also, you are often required to have achieved at least a B in GCSE maths and are frequently expected to take AS maths in conjunction with Physics because the courses are so related.
yes
You study A level Maths and Physics. Then get a degree.
Maths, physics and/or chemistry.
You need: I.C.T, Maths, Additional Maths, Physics and Technology (and whatever else you want). You need additional maths to take on maths to AS Level. I.C.T is an absolute must and Technology goes well with it and Physics is 1/3 of the engineer part along with Technology and Maths.
Architecture is a very popular course so you'll need good results in maths, physics and art. Although universities mainly look at A-level results, you'll need on average a grade B in English and maths at GCSE. My friend has been accepted by Glasgow university and she took, alonside maths, English and the sciences, art, history, french and business studies. At GCSE she got 6 A*s 3 A's and a B in Welsh. For A-level she took maths, physics and art.
A level maths and physics
only really someone who understands maths or is a physics student level 3 to properly explain it.
non medical includes subjects mainly physics, chemistry, maths with additional english.
Search the websites of the universities you are likely to go to, and see what they say for "Admission Requirements." They will vary a bit, but for any kind of engineering you can't go wrong taking all the maths and science courses your High School offers, at the highest levels they are offered. But don't neglect at least one higher level English course.
Physics, chemistry, biology, maths and i hear latin harder these days